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***official amd 83x0 overclocking thread***

Yes, the resistor physically restricts the voltage. I'm not sure how many people have done it successfully... I was trying to sell mine and get a mat plat instead, but now I'm thinking a gtx780 or 290 if the prices are good. The gf can use the 7970 for simcity :-)

lol dont get me wrong great card maxes most things but batman origins just doesn't seem right just flashed to the latest bios. im testing it @ 1100 core 1550 mem will report back people sa new bios gave them ability to push card tad more, dont see how voltage is still the same :confused:
 
There's no way to tweak the voltage at all. The rev1 boards were epic overclockers (hence why I chose gigabyte). Unfortunately the rev2 boards are voltage locked and I didn't realise at the time of purchase...

"Never settle"... Never again gigabyte!
 
What is the voltage farmerboy? Does it give you any play in that? I know the 7990 is a different kettle of fish but mine allows up to 1.3V max.

voltage is locked @ 1.7v or there abouts grr 1055 core 1550 mem is best i can get gonna buy 7990 with crimbo bonus have a buyer for 1 of these 7970 if i can shift the other i will buy 7990 sooner :p
 
Burnt, I ran the OverDrive and it got to 4.7 then said to reboot. What was the purpose of that?

Assuming that you have reset your BIOS and all is on default, when you run the overdrive auto tune asked you to start the benching.

Assuming also that you left it and did something else away from your computer, it finished and asked you to restart yes?

When you restarted did you went back in to the overdrive to turn it on and set the speed at 4.7Ghz? It will not do it automatically, and that is the speed it will go with stock voltage.

Now, to get more than that, there three ways if not happy.

a) Go back to do the OC to BIOS like before. (as I had it also up to Friday)

b) Raise the voltage from BIOS. It will give you higher speed on the overdrive after the next benchmark run.
c) Use the Overdrive tuning from http://sites.amd.com/us/game/downloads/amd-overdrive/Pages/overview.aspx

I had only little time to spend on this one today, however by using the same settings I had on BIOS via this software, I went back to 5Ghz without issue (controlling FSB and voltage from the app also and overclocking the RAM).

I will wait for the Magma fans to arrive to replace the Corsairs of the H100, before I go to 5.2-5.5Ghz. Which according to the AMD safety settings is feasible, but creates a lot of heat and had to stop the moment the AMD benchmark start running at 5.2Ghz.

Tbh since 1993 this is the first time I am relaxed about overclocking :D
Long gone the days we had to use switches on the motherboards to raise bus and multipliers, or BIOS only, and hope the system boots.
 
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Thanks Panos it was you who recommended it not Burnt - sorry. After I restarted it I was confused as to what it achieved as it never auto ran the program and was left still at stock clocks.

It done the tuning at 1.5 volts I seen so maybe to go above the recommended 4.7Ghz I would have to go above that? :eek:

At stock the software (various) is telling me the default voltage is 1.16-1.4v depending on load conditions.

Doing this has actually done me a favour as I tested BF4 whilst at stock and still experienced the same crashes so I think it's a mixed bag of drivers (AMD), directx, windows 8 and the game engine itself. Something is not quite right but the thousands of others experiencing the same on the EA forums obviously means it needs patching.
 
Thanks Panos it was you who recommended it not Burnt - sorry. After I restarted it I was confused as to what it achieved as it never auto ran the program and was left still at stock clocks.

It done the tuning at 1.5 volts I seen so maybe to go above the recommended 4.7Ghz I would have to go above that? :eek:

At stock the software (various) is telling me the default voltage is 1.16-1.4v depending on load conditions.

Doing this has actually done me a favour as I tested BF4 whilst at stock and still experienced the same crashes so I think it's a mixed bag of drivers (AMD), directx, windows 8 and the game engine itself. Something is not quite right but the thousands of others experiencing the same on the EA forums obviously means it needs patching.

BF4 crashes? I had some, and found that has to do with one of the CCC settings that are default OFF. (Same issue many had at BF3, do a google search the issue)

Also, assuming you use 13.11 Beta8, try this.

Open Control Panel>Programs and features
Click on AMD Calayst Install Manager then click Change
Click Next on the welcome screen
Click Uninstall Manager then click Next
Click Custom then Next
Check box next to AMD APP SDK Runtime then click Next
Click Finish
 
If you get the GetDeviceRemovedReason , Turn Off the Ambient Occlusion.
This bug exists since BF3 for both Nvidia & AMD cards. Depending settings and drivers and of course the mood of DICE code.

If you still have issues, turn off DX11.1
 
So I've been running all weekend at 4.63ghz - much easier bumping up the mult than fiddling for hours with the FSB (20.5 x 225 now). Temps are fine (unless I really stress the FPUs). Bumping up the mult again is wanting a good few more notches on VCore so I've not spent much time over 4.7 yet.

However, I notice that in game my temps are generally high 30s to low 40s, but when loading my temps spike to 45-48. Surely loading maps is less intensive than actually playing?
 
So I've been running all weekend at 4.63ghz - much easier bumping up the mult than fiddling for hours with the FSB (20.5 x 225 now). Temps are fine (unless I really stress the FPUs). Bumping up the mult again is wanting a good few more notches on VCore so I've not spent much time over 4.7 yet.

However, I notice that in game my temps are generally high 30s to low 40s, but when loading my temps spike to 45-48. Surely loading maps is less intensive than actually playing?

I've seen this too and it tends to happen when it has almost completely loaded but the map isn't displayed yet (it is about to). I suppose that is the point where lots of instructions are flooding the CPU at the same time and the cores are having to prioritise/process etc.
 
I noticed when loading the maps and waiting that the cores pretty much maxing out for a few seconds too. When the game is playing it is pretty smooth and doesn't seem to be maxing out the cpu or gpu. If I could get through a whole map without a crash I would have some fraps data.
 
A trip to the EA boards you will see the crash issues with BF4 are widespread to multiple of configurations and systems. People are even raging about it.

I have hunch that has to do with the DX11.1 and Windows 8. Maybe try to put it to DX9 and see if it works without issues, or run it on a different installation with W7 not W8.
 
Me again.

Is an 8320 / 8350 going to give me much of a boost with BF4? My rig is struggling a little with my Phenom 965. I am sure it must be the CPU holding it back as my GPU, MSI 6970 Lightning, should be fine for high settings.

ta
 
Me again.

Is an 8320 / 8350 going to give me much of a boost with BF4? My rig is struggling a little with my Phenom 965. I am sure it must be the CPU holding it back as my GPU, MSI 6970 Lightning, should be fine for high settings.

ta

It'll give an improvement, but the game is very demanding on the GPU. A single 7970 can only just manage 60fps at 1080p on ultra.
 
Me again.

Is an 8320 / 8350 going to give me much of a boost with BF4? My rig is struggling a little with my Phenom 965. I am sure it must be the CPU holding it back as my GPU, MSI 6970 Lightning, should be fine for high settings.

ta

Papa lazu in Reading? is that you Mr L?
 
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